A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

We already have a planet to prove it. On Earth, plants and certain bacteria ... something we could learn from.” On a cheerier note, we could learn a great deal more from civilizations that ...

Astronomers have retracted the discovery of a new asteroid after realizing the object was the remains of Elon Musk's Tesla ...

Samples from asteroid Bennu have delivered insights into the origins of Earth’s water and the organic molecules that may have ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

Scientists are keeping close watch on the space rock, which was spotted last month and is currently heading away from Earth.

This artist’s concept shows NASA’s OSIRIS-REx spacecraft descending towards asteroid Bennu to collect a sample of the ...

Asteroid Bennu seems to have come from a long-lost world on the fringes of the solar system, where saltwater pooled and dried ...

A puncture in the fossilized neck of a winged reptile that flew with the dinosaurs suggests the creature became a feast for a crocodile ancestor.

When asteroids like Bennu hit the young Earth, they could have provided a complete package of complex molecules and the ingredients essential to life, such as water, phosphate and ammonia. Together, ...

Throughout its long history, Earth has warmed and cooled time and again. Climate has changed when the planet received more or less sunlight due to subtle shifts in its orbit, as the atmosphere or ...